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Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Category: Computing | 739 Views, 17759 Search Bots | 118 Words
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Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Category: Computing | 739 Views, 17759 Search Bots | 118 Words
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Hi, here's your problem today. This problem was recently asked by Apple:
Given an array with n objects colored red, white or blue, sort them in-place so that objects of the same color are adjacent, with the colors in the order red, white and blue.
Here, we will use the integers 0, 1, and 2 to represent the color red, white, and blue respectively.
Note: You are not suppose to use the library’s sort function for this problem.
Can you do this in a single pass?
Example:
Input: [2,0,2,1,1,0]
Output: [0,0,1,1,2,2]
Here's a starting point:
Tags: 每日算法题, 算法, 数据结构, 面试题, Daily Interview Problem, Data Structures and Algorithms, Computer Programming, Python, | English | Home Page | Cateogry: Computing | 739 Views, 17759 Search Bots | 118 Words Given an array with n objects colored red, white or blue, sort them in-place so that objects of the same color are adjacent, with the colors in the order red, white and blue.
Here, we will use the integers 0, 1, and 2 to represent the color red, white, and blue respectively.
Note: You are not suppose to use the library’s sort function for this problem.
Can you do this in a single pass?
Example:
Input: [2,0,2,1,1,0]
Output: [0,0,1,1,2,2]
Here's a starting point:
class Solution:
def sortColors(self, nums):
# Fill this in.
nums = [0, 1, 2, 2, 1, 1, 2, 2, 0, 0, 0, 0, 2, 1]
print("Before Sort: ")
print(nums)
# [0, 1, 2, 2, 1, 1, 2, 2, 0, 0, 0, 0, 2, 1]
Solution().sortColors(nums)
print("After Sort: ")
print(nums)
# [0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2]
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